Concerning this item 360-Degree Dynamic Sound: In a small package, this portable speaker's 8W speaker and single passive radiator produce 360-degree dynamic sound. Full-Body Lighting: To elevate any party, the 360-degree light show synchronizes with the music. IP67 protection allows you to listen without worrying about getting wet or dusty. You can relax by the pool with complete peace of mind because the Glow Mini portable speaker even floats. Long Battery Life: One charge can last up to 12 hours of listening. Note: Using the light effects will shorten battery life. PartyCast 2.0: To truly experience the party vibe, connect more than 100 speakers at once and synchronize the lighting and sound.